{"id":"USN-8997-1","summary":"net-snmp vulnerability","details":"It was discovered that Net-SNMP incorrectly handled newly accepted\nconnections in the SMUX module. An unauthenticated remote attacker could\npossibly use this issue to cause Net-SNMP to block indefinitely,\nresulting in a denial of service.","modified":"2026-11-05T11:58:20.100218484Z","published":"2026-11-04T15:25:21Z","related":["UBUNTU-CVE-2026-89147"],"upstream":["CVE-2026-89147","UBUNTU-CVE-2026-89147"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8997-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-89147"}],"affected":[{"package":{"name":"net-snmp","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/net-snmp?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.1+dfsg-1ubuntu2.10"}]}],"versions":["5.9+dfsg-3ubuntu2","5.9+dfsg-3ubuntu3","5.9+dfsg-3ubuntu4","5.9.1+dfsg-1ubuntu1","5.9.1+dfsg-1ubuntu2","5.9.1+dfsg-1ubuntu2.1","5.9.1+dfsg-1ubuntu2.2","5.9.1+dfsg-1ubuntu2.4","5.9.1+dfsg-1ubuntu2.5","5.9.1+dfsg-1ubuntu2.6","5.9.1+dfsg-1ubuntu2.7","5.9.1+dfsg-1ubuntu2.8","5.9.1+dfsg-1ubuntu2.9"],"ecosystem_specific":{"binaries":[{"binary_name":"libnetsnmptrapd40","binary_version":"5.9.1+dfsg-1ubuntu2.10"},{"binary_name":"libsnmp-base","binary_version":"5.9.1+dfsg-1ubuntu2.10"},{"binary_name":"libsnmp-perl","binary_version":"5.9.1+dfsg-1ubuntu2.10"},{"binary_name":"libsnmp40","binary_version":"5.9.1+dfsg-1ubuntu2.10"},{"binary_version":"5.9.1+dfsg-1ubuntu2.10","binary_name":"snmp"},{"binary_name":"snmpd","binary_version":"5.9.1+dfsg-1ubuntu2.10"},{"binary_name":"snmptrapd","binary_version":"5.9.1+dfsg-1ubuntu2.10"},{"binary_name":"tkmib","binary_version":"5.9.1+dfsg-1ubuntu2.10"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-89147","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8997-1.json"}},{"package":{"name":"net-snmp","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/net-snmp?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.4+dfsg-1.1ubuntu3.3"}]}],"versions":["5.9.3+dfsg-2ubuntu3","5.9.4+dfsg-1ubuntu1","5.9.4+dfsg-1ubuntu2","5.9.4+dfsg-1.1ubuntu2","5.9.4+dfsg-1.1ubuntu3","5.9.4+dfsg-1.1ubuntu3.1","5.9.4+dfsg-1.1ubuntu3.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libnetsnmptrapd40t64","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"},{"binary_name":"libsnmp-base","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"},{"binary_name":"libsnmp-perl","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"},{"binary_name":"libsnmp40t64","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"},{"binary_version":"5.9.4+dfsg-1.1ubuntu3.3","binary_name":"snmp"},{"binary_name":"snmpd","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"},{"binary_name":"snmptrapd","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"},{"binary_name":"tkmib","binary_version":"5.9.4+dfsg-1.1ubuntu3.3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2026-89147","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8997-1.json"}},{"package":{"name":"net-snmp","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/net-snmp?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.9.4+dfsg-2ubuntu3.1"}]}],"versions":["5.9.4+dfsg-2ubuntu2","5.9.4+dfsg-2ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.9.4+dfsg-2ubuntu3.1","binary_name":"libnetsnmptrapd40t64"},{"binary_name":"libsnmp-base","binary_version":"5.9.4+dfsg-2ubuntu3.1"},{"binary_version":"5.9.4+dfsg-2ubuntu3.1","binary_name":"libsnmp-perl"},{"binary_name":"libsnmp40t64","binary_version":"5.9.4+dfsg-2ubuntu3.1"},{"binary_version":"5.9.4+dfsg-2ubuntu3.1","binary_name":"snmp"},{"binary_name":"snmpd","binary_version":"5.9.4+dfsg-2ubuntu3.1"},{"binary_name":"snmptrapd","binary_version":"5.9.4+dfsg-2ubuntu3.1"},{"binary_name":"tkmib","binary_version":"5.9.4+dfsg-2ubuntu3.1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"id":"CVE-2026-89147","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8997-1.json"}}],"schema_version":"1.9.2"}